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<?php $str = 'M&amp;E'; //Odd behavior later in the script: // output: 0 echo strpos($str, 'M&amp;'); echo "<br>"; // no output echo strpos($str, 'M&amp;E');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b2brW
function name:  (null)
number of ops:  13
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'M%26amp%3BE'
    7     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'M%26amp%3B'
          4        DO_ICALL                                         $2      
          5        ECHO                                                     $2
    8     6        ECHO                                                     '%3Cbr%3E'
   10     7        INIT_FCALL                                               'strpos'
          8        SEND_VAR                                                 !0
          9        SEND_VAL                                                 'M%26amp%3BE'
         10        DO_ICALL                                         $3      
         11        ECHO                                                     $3
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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